Error log:

System Info: Java 17 (OpenJDK 64-Bit Server VM 17.0.7+7) Host: Linux 5.10.0-23-amd64 (amd64)
Loading libraries, please wait...
[12:58:27 ERROR]: [DirectoryProviderSource] Error loading plugin: Directory 'plugins/CoreProtect-21.3.jar' failed to load!
java.lang.RuntimeException: Directory 'plugins/CoreProtect-21.3.jar' failed to load!
at io.papermc.paper.plugin.provider.source.FileProviderSource.registerProviders(FileProviderSource.java:59) ~[folia-1.20.jar:git-Folia-18]
at io.papermc.paper.plugin.provider.source.DirectoryProviderSource.lambda$registerProviders$1(DirectoryProviderSource.java:34) ~[folia-1.20.jar:git-Folia-18]
at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[?:?]
at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) ~[?:?]
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?]
at java.util.Iterator.forEachRemaining(Iterator.java:133) ~[?:?]
at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1845) ~[?:?]
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) ~[?:?]
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[?:?]
at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:?]
at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:?]
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?]
at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[?:?]
at io.papermc.paper.plugin.provider.source.DirectoryProviderSource.registerProviders(DirectoryProviderSource.java:32) ~[folia-1.20.jar:git-Folia-18]
at io.papermc.paper.plugin.provider.source.DirectoryProviderSource.registerProviders(DirectoryProviderSource.java:14) ~[folia-1.20.jar:git-Folia-18]
at io.papermc.paper.plugin.util.EntrypointUtil.registerProvidersFromSource(EntrypointUtil.java:14) ~[folia-1.20.jar:git-Folia-18]
at io.papermc.paper.plugin.PluginInitializerManager.load(PluginInitializerManager.java:100) ~[folia-1.20.jar:git-Folia-18]
at net.minecraft.server.Main.main(Main.java:126) ~[folia-1.20.jar:git-Folia-18]
at org.bukkit.craftbukkit.Main.main(Main.java:316) ~[folia-1.20.jar:git-Folia-18]
at io.papermc.paperclip.Paperclip.lambda$main$0(Paperclip.java:42) ~[app:?]
at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: java.lang.IllegalArgumentException: Directory 'plugins/CoreProtect-21.3.jar' does not contain a paper-plugin.yml or plugin.yml! Could not determine plugin type, cannot load a plugin from it!
at io.papermc.paper.plugin.provider.source.FileProviderSource.registerProviders(FileProviderSource.java:54) ~[folia-1.20.jar:git-Folia-18]
... 20 more
[12:58:36 INFO]: Environment: authHost='https://authserver.mojang.com', accountsHost='https://api.mojang.com', sessionHost='https://sessionserver.mojang.com', servicesHost='https://api.minecraftservices.com', name='PROD'
[12:58:39 INFO]: Loaded 7 recipes
[12:58:40 INFO]: Starting minecraft server version 1.20
[12:58:40 INFO]: Loading properties
[12:58:40 INFO]: This server is running Folia version git-Folia-18 (MC: 1.20) (Implementing API version 1.20-R0.1-SNAPSHOT) (Git: 9b2ffd0 on dev/1.20)